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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 24 |
| 1949 | 1 |
| 1955 | 3 |
| 1956 | 73 |
| 1957 | 198 |
| 1958 | 141 |
| 1959 | 171 |
| 1960 | 138 |
| 1961 | 166 |
| 1962 | 136 |
| 1963 | 3 |
| 1964 | 23 |
| 1965 | 144 |
| 1966 | 240 |
| 1967 | 371 |
| 1968 | 363 |
| 1969 | 457 |
| 1970 | 422 |
| 1971 | 465 |
| 1972 | 467 |
| 1973 | 471 |
| 1974 | 512 |
| 1975 | 583 |
| 1976 | 616 |
| 1977 | 816 |
| 1978 | 798 |
| 1979 | 744 |
| 1980 | 863 |
| 1981 | 825 |
| 1982 | 886 |
| 1983 | 915 |
| 1984 | 1064 |
| 1985 | 1058 |
| 1986 | 1079 |
| 1987 | 1083 |
| 1988 | 1159 |
| 1989 | 1436 |
| 1990 | 1511 |
| 1991 | 1460 |
| 1992 | 1694 |
| 1993 | 1709 |
| 1994 | 2041 |
| 1995 | 2097 |
| 1996 | 2231 |
| 1997 | 2311 |
| 1998 | 2551 |
| 1999 | 2582 |
| 2000 | 2951 |
| 2001 | 2888 |
| 2002 | 2976 |
| 2003 | 3238 |
| 2004 | 3320 |
| 2005 | 3862 |
| 2006 | 4180 |
| 2007 | 4405 |
| 2008 | 4834 |
| 2009 | 4977 |
| 2010 | 5833 |
| 2011 | 6273 |
| 2012 | 6625 |
| 2013 | 6713 |
| 2014 | 6786 |
| 2015 | 7134 |
| 2016 | 7029 |
| 2017 | 7038 |
| 2018 | 7403 |
| 2019 | 7718 |
| 2020 | 8637 |
| 2021 | 8583 |
| 2022 | 7398 |
| 2023 | 7039 |
| 2024 | 3904 |